note 記事のバックアップ用スクリプト

下書きを含めて note 記事をバックアップする python スクリプト。記事情報の json をだいたいそのまま Gmail で自分宛てに送る。条件によっては不具合ありそうなのでご利用の際は自己責任で。

import requests
import os
import json
import datetime
from io import BytesIO
import smtplib
from email.mime.text import MIMEText
from email.utils import formatdate
from email.mime.multipart import MIMEMultipart
from email.mime.application import MIMEApplication

note_login = NOTE_LOGIN
note_password = NOTE_PASSWORD
gmail_address = GMAIL_ADDRESS
gmail_password = GMAIL_PASSWORD

login_url = "https://note.com/api/v1/sessions/sign_in"
contents_api_url = "https://note.com/api/v2/note_list/contents"

def sendmail(json_text, count):
    subject = 'Note Backup ' + datetime.datetime.now().strftime('%Y/%m/%d')
    body_text = str(count) + " notes"
    
    msg = MIMEMultipart()
    msg['Subject'] = subject
    msg['From'] = gmail_address
    msg['To'] = gmail_address
    msg['Date'] = formatdate()
    msg.attach(MIMEText(body_text, "plain", "utf-8"))

    with BytesIO() as bs:
        bs.write(json_text.encode(encoding='utf-8'))
        bs.seek(0)
        mb = MIMEApplication(bs.read())
        mb.add_header("Content-Disposition", "attachment", filename="notes.json")
        msg.attach(mb)

    smtpobj = smtplib.SMTP('smtp.gmail.com', 587)
    smtpobj.starttls()
    smtpobj.login(gmail_address, gmail_password)
    smtpobj.sendmail(gmail_address, gmail_address, msg.as_string())
    smtpobj.quit()

def get_contents():
    payload = {
        "login": note_login,
        "password": note_password,
        "redirect_path": "https://note.com/"
    }
    session = requests.Session()
    response = session.post(login_url, params=payload)
    response = session.get(contents_api_url)

    notes = []
    is_last_page = False
    page = 1
    while not is_last_page:
        response = session.get(contents_api_url + "?page=" + str(page))
        json_contents = json.loads(response.text)
        new_results = json_contents["data"]["notes"]
        is_last_page = json_contents["data"]["isLastPage"]
        notes.extend(new_results)
        page += 1

    return json.dumps(notes, ensure_ascii=False), len(notes)

contents = get_contents()
sendmail(contents[0], contents[1])

※ GMAIL_PASSWORD は通常のパスワードではなくアプリパスワード。